706 struct async_chunk {  struct
720 	struct async_chunk chunks[];  argument
723 static noinline int add_async_extent(struct async_chunk *cow,  in add_async_extent()
831 	struct async_chunk *async_chunk =  in compress_file_range()  local
832 		container_of(work, struct async_chunk, work);  in compress_file_range()
833 	struct btrfs_inode *inode = async_chunk->inode;  in compress_file_range()
837 	u64 start = async_chunk->start;  in compress_file_range()
838 	u64 end = async_chunk->end;  in compress_file_range()
1020 	add_async_extent(async_chunk, start, total_in, total_compressed, pages,  in compress_file_range()
1033 	add_async_extent(async_chunk, start, end - start + 1, 0, NULL, 0,  in compress_file_range()
1094 static void submit_one_async_extent(struct async_chunk *async_chunk,  in submit_one_async_extent()  argument
1098 	struct btrfs_inode *inode = async_chunk->inode;  in submit_one_async_extent()
1110 	if (async_chunk->blkcg_css)  in submit_one_async_extent()
1111 		kthread_associate_blkcg(async_chunk->blkcg_css);  in submit_one_async_extent()
1117 	if (async_chunk->locked_page) {  in submit_one_async_extent()
1118 		u64 locked_page_start = page_offset(async_chunk->locked_page);  in submit_one_async_extent()
1122 			locked_page = async_chunk->locked_page;  in submit_one_async_extent()
1184 			    async_chunk->write_flags, true);  in submit_one_async_extent()
1187 	if (async_chunk->blkcg_css)  in submit_one_async_extent()
1204 	if (async_chunk->blkcg_css)  in submit_one_async_extent()
1571 	struct async_chunk *async_chunk = container_of(work, struct async_chunk,  in submit_compressed_extents()  local
1578 	nr_pages = (async_chunk->end - async_chunk->start + PAGE_SIZE) >>  in submit_compressed_extents()
1581 	while (!list_empty(&async_chunk->extents)) {  in submit_compressed_extents()
1582 		async_extent = list_entry(async_chunk->extents.next,  in submit_compressed_extents()
1585 		submit_one_async_extent(async_chunk, async_extent, &alloc_hint);  in submit_compressed_extents()
1596 	struct async_chunk *async_chunk;  in async_cow_free()  local
1599 	async_chunk = container_of(work, struct async_chunk, work);  in async_cow_free()
1600 	btrfs_add_delayed_iput(async_chunk->inode);  in async_cow_free()
1601 	if (async_chunk->blkcg_css)  in async_cow_free()
1602 		css_put(async_chunk->blkcg_css);  in async_cow_free()
1604 	async_cow = async_chunk->async_cow;  in async_cow_free()
1616 	struct async_chunk *async_chunk;  in run_delalloc_compressed()  local
1632 	async_chunk = ctx->chunks;  in run_delalloc_compressed()
1643 		async_chunk[i].async_cow = ctx;  in run_delalloc_compressed()
1644 		async_chunk[i].inode = inode;  in run_delalloc_compressed()
1645 		async_chunk[i].start = start;  in run_delalloc_compressed()
1646 		async_chunk[i].end = cur_end;  in run_delalloc_compressed()
1647 		async_chunk[i].write_flags = write_flags;  in run_delalloc_compressed()
1648 		INIT_LIST_HEAD(&async_chunk[i].extents);  in run_delalloc_compressed()
1671 			async_chunk[i].locked_page = locked_page;  in run_delalloc_compressed()
1674 			async_chunk[i].locked_page = NULL;  in run_delalloc_compressed()
1679 			async_chunk[i].blkcg_css = blkcg_css;  in run_delalloc_compressed()
1680 			async_chunk[i].write_flags |= REQ_BTRFS_CGROUP_PUNT;  in run_delalloc_compressed()
1682 			async_chunk[i].blkcg_css = NULL;  in run_delalloc_compressed()
1685 		btrfs_init_work(&async_chunk[i].work, compress_file_range,  in run_delalloc_compressed()
1691 		btrfs_queue_work(fs_info->delalloc_workers, &async_chunk[i].work);  in run_delalloc_compressed()